CVE-2017-20127

HIGH

KB Login Authentication Script 1.1 - SQL Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-20127. PoCs published by Ihsan Sencan.

AI-analyzed exploit summary This exploit demonstrates an authentication bypass vulnerability in KB Login Authentication Script V1.1 by injecting SQL syntax into the username and password fields. The payload 'or''=' manipulates the SQL query to bypass authentication.

Description

A vulnerability was found in KB Login Authentication Script 1.1 and classified as critical. Affected by this issue is some unknown functionality. The manipulation of the argument username/password with the input 'or''=' leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Exploits (1)

exploitdb WORKING POC
by Ihsan Sencan · textwebappsphp
https://www.exploit-db.com/exploits/41167

This exploit demonstrates an authentication bypass vulnerability in KB Login Authentication Script V1.1 by injecting SQL syntax into the username and password fields. The payload 'or''=' manipulates the SQL query to bypass authentication.

Classification
Working Poc 90%
Attack Type
Sqli
Complexity
Trivial
Reliability
Reliable
Target: KB Login Authentication Script V1.1
No auth needed
Prerequisites: Access to the login page of the vulnerable application
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/41167/
Third Party Advisory x_refsource_misc
https://vuldb.com/?id.96620

Scores

CVSS v3 7.3
EPSS 0.0092
EPSS Percentile 55.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-89
Status published
Products (1)
kb_login_authentication_script_project/kb_login_authentication_script 1.1
Published Jul 13, 2022
Tracked Since Feb 18, 2026